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Instructables

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  How to Make USB Mobile Charger Using 9V Battery

  17 2.3K
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  How to Make an Automatic Working Scissor

  7 1.3K
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  How to Generate Electricity From Old DVD Drives

  23 2.4K
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  Amazing Science Magic to Impress Your Friends

  1 854
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  Mind Blowing Science Experiment That Everyone Can Try

  11 790
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  68 Drops of Water in a Coin Science Experiment

  18 3.4K